12788265

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 24164352

約数和(自身を除く): 11376087

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 137, 147, 245, 381, 411, 635, 685, 735, 889, 959, 1905, 2055, 2667, 2877, 4445, 4795, 6223, 6713, 13335, 14385, 17399, 18669, 20139, 31115, 33565, 52197, 86995, 93345, 100695, 121793, 260985, 365379, 608965, 852551, 1826895, 2557653, 4262755, 12788265]

約数ペア:

[(1, 12788265), (3, 4262755), (5, 2557653), (7, 1826895), (15, 852551), (21, 608965), (35, 365379), (49, 260985), (105, 121793), (127, 100695), (137, 93345), (147, 86995), (245, 52197), (381, 33565), (411, 31115), (635, 20139), (685, 18669), (735, 17399), (889, 14385), (959, 13335), (1905, 6713), (2055, 6223), (2667, 4795), (2877, 4445)]